Customized production of highly integrated 3D power electronic modules by multi-material vat photopolymerization, powder bed fusion and selective piezojet metallization [MultiPower]

"In the AiF project MultiPower, the wbk Institute of Production Science at Karlsruhe Institute of Technology (KIT) and the Institute for Factory Automation and Production Systems (FAPS) at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) are investigating the customized production of highly integrated metal-ceramic composites for power electronic modules. The aim is to additively manufacture three-dimensional metal-ceramic composite bodies as circuit carriers to enable a good heat dissipation of the components by three-dimensional cooling structures. This can shorten the process chain and increase its flexibility.
Within the project, three approaches for manufacturing the composite bodies are investigated: 1) Manufacturing of ceramic substrates by vat photopolymerization (VPP-LED) and subsequent metallization by powder bed fusion (PBF-LB), 2) Manufacturing of ceramic substrates by vat photopolymerization (VPP-LED) and subsequent metallization by piezojet process, 3) Manufacturing of metal-ceramic composite components by the novel multi-material VPP process."